<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,index) in goods_info.pics" :key="index" >
				<image :src="item.pics_big" @click="preview(index)"></image>
			</swiper-item>
		</swiper>
		<view class="goods-info-box">
			<view class="price">￥{{goods_info.goods_price}}</view>
			<view class="goods-info-body">
				<view class="goods－name">{{goods_info.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="30" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
				
			</view>
			<view class="yf">
				<text>快递：免运费</text>
			</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<view class="goods_nav">
			<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	export default {
		computed:{
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch: {
		   // 定义 total 侦听器，指向一个配置对象
		   total: {
		      // handler 属性用来定义侦听器的 function 处理函数
		      handler(newVal) {
		         const findResult = this.options.find(x => x.text === '购物车')
		         if (findResult) {
		            findResult.info = newVal
		         }
		      },
		      // immediate 属性用来声明此侦听器，是否在页面初次加载完毕后立即调用
		      immediate: true
		   }
		},
		data() {
			return {
				goods_info:{},
				 options: [{
				      icon: 'shop',
				      text: '店铺'
				    }, {
				      icon: 'cart',
				      text: '购物车',
				      info: 0
				    }],
				    // 右侧按钮组的配置对象
				    buttonGroup: [{
				        text: '加入购物车',
				        backgroundColor: '#ff0000',
				        color: '#fff'
				      },
				      {
				        text: '立即购买',
				        backgroundColor: '#ffa200',
				        color: '#fff'
				      }
				    ]
			};
		},
		onLoad(options){
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
			
		},
		methods:{
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id){
				const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
				if(res.meta.status!==200) return uni.$showMsg()
				res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g,"<img style='display:block;'").replace(/webp/g, 'jpg')
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x=>x.pics_big)
					
				})
			},
			onClick(e){
				if(e.content.text==='购物车')
				uni.switchTab({
					url:'/pages/cart-list/cart-list'
				})
			},
			buttonClick(e){
				if(e.content.text==='加入购物车'){
					const goods={
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
					}
					this.addToCart(goods)
				}
			}
		}
	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 10px;
	padding-right:0;
	.price{
		color:#c00000;
		font-size: 18px;
		margin:10px 0
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 13px;
			margin-right: 10px;
		}
		.favi{
			font-size: 12px;
			width: 120px;
			display: flex;
			flex-direction: column;
			text-align: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}
	.yf{
		font-size: 12px;
		color: gray;
		margin: 10px 0;
	}
}
.goods_nav{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	
}
	
.goods-detail-container{
	padding: 50px 0;
}
</style>
